Each glazing bar on a roof lantern has a top capping that clamps the glass onto gaskets. We carry out glazing bar and capping repairs across Highlands and Islands, with a guide price from your photos and a fixed price in writing before any work starts.

Signs you need glazing bar and capping repairs
- Gasket rubber poking out, cracked or missing
- Water running down one glazing bar inside
- Rattling or whistling in wind
What usually causes it?
Gasket shrinkage
Rubber gaskets shrink back from the ends over time, leaving a gap at the ridge or eaves.
Fixings working loose
Screws and clips that hold the capping relax with thermal movement, so the clamp on the glass weakens.
Roof lanterns in Highlands and Islands
Damp, mild winters keep moss and algae growing on flat roofs and lantern frames, which holds water against seals and blocks weep slots. Regular clearing makes a real difference in wetter areas.
Near the coast, salt in the air is hard on aluminium finishes and fixings; washing the frame occasionally and touching in chips keeps corrosion away.
What should you expect to pay for glazing bar and capping repairs in Highlands and Islands?
Guide price for glazing bar and capping repairs: £165–£395 ex VAT (£198–£474 inc VAT), per lantern. Towers or scaffold, where needed, are priced into the quote. Your fixed price is confirmed in writing before any work starts.
Do you need permission in Scotland?
In Scotland, like-for-like repairs to a roof lantern don't usually involve building control. A full replacement or a bigger opening is controlled under the Building (Scotland) Regulations 2004, so we set out the route in writing first. Listed buildings in Scotland need listed building consent from the planning authority for alterations, with Historic Environment Scotland guidance; check before changing a lantern on a listed property.
How does it work?
- Send photosWhatsApp or upload a few photos and tell us when it leaks.
- Guide priceWe reply with a guide price and whether a visit is needed.
- Fixed price in writingYou approve the price and the date before anything starts.
- Repair and testWe fix what's failed, water-test where it matters, and send photos.
Glazing bar and capping repairs in Highlands and Islands: questions
How much do capping and gasket repairs cost?
Usually £165–£395 ex VAT per lantern depending on how many bars are affected, confirmed in writing before work starts.
Can a capping just be clipped back on?
Sometimes, if nothing underneath has failed. We check the gaskets first, because clipping a capping over a perished gasket doesn't stop the leak.
Which towns in Highlands and Islands do you cover?
All of Highlands and Islands, including Inverness, Dingwall, Fort William, Kirkwall, Lerwick, Nairn. Rural and remote addresses are covered by arrangement.
How do I get a price for glazing bar and capping repairs in Highlands and Islands?
Send a few photos of the lantern and the problem with your postcode, by WhatsApp or the form. We reply with a guide price and confirm the fixed price in writing before any work starts.
Other repairs in Highlands and Islands
- Eaves beam and gutter repairs in Highlands and Islands
- Flat roof junction and flashing repairs in Highlands and Islands
- Cracked lantern glass replacement in Highlands and Islands
- Timber roof lantern repairs in Highlands and Islands
- Opening vent and actuator repairs in Highlands and Islands
- Commercial roof lantern repairs in Highlands and Islands
Nearby areas
- Glazing bar and capping repairs in Moray
- Glazing bar and capping repairs in Aberdeen and Aberdeenshire
- Glazing bar and capping repairs in Dundee and Angus
- Glazing bar and capping repairs in Perth and Kinross
- Glazing bar and capping repairs in Fife
More about glazing bar and capping repairs · All roof lantern repairs in Highlands and Islands